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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
(a) Mass spectra of CA800Cl and CA800H NIR fluorophores. (b) Absorption spectra and fluorescence emission spectra of IR-786, CA800Cl, and CA800H NIR fluorophores. Optical measurements were performed in PBS, pH 7.4.